• doxycline exposure in the prenatal period to P7 evokes very little growth plate chondrocyte death, however doxycycline exposure in the prenatal period to P14, P21 or P28, increases growth plate chondrocyte death

• doxycline exposure in the prenatal period to P7 evokes very little growth plate chondrocyte death, however doxycycline exposure in the prenatal period to P14, P21 or P28, increases growth plate chondrocyte death